/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 动态背景光晕 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(198, 120, 221, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 10% 30%, rgba(255, 206, 84, 0.3) 0%, transparent 50%);
    animation: floating 20s ease-in-out infinite;
    z-index: -1;
}

/* 额外的光晕效果 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 90% 10%, rgba(102, 126, 234, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 15% 90%, rgba(118, 75, 162, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(67, 233, 123, 0.2) 0%, transparent 40%);
    animation: floating-reverse 25s ease-in-out infinite;
    z-index: -1;
}

@keyframes floating {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 1;
    }

    33% {
        transform: translateY(-30px) rotate(120deg);
        opacity: 0.8;
    }

    66% {
        transform: translateY(30px) rotate(240deg);
        opacity: 0.9;
    }
}

@keyframes floating-reverse {

    0%,
    100% {
        transform: translateY(0px) rotate(360deg) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: translateY(-50px) rotate(180deg) scale(1.1);
        opacity: 1;
    }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

/* 顶部导航 */
.header {
    position: fixed;
    top: 20px;
    left: 100px;
    right: 100px;
    width: auto;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 24px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: all 0.3s ease;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-menu a:hover {
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* 首页横幅 */
.hero-section {
    /* padding: 120px 0 80px; */
    /* background: rgba(255, 255, 255, 0.1); */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    /* border: 1px solid rgba(255, 255, 255, 0.2); */
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin: 0 20px;
    border-radius: 20px;
    margin-top: 120px;
    /* box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); */
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-text h2 {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.data-migration-highlight {
    border: 1px solid #fff;
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: pulse-glow 3s ease-in-out infinite;
}

.data-migration-highlight h3 {
    /* color: #43e97b; */
    font-size: 1.3rem;
    margin-bottom: 10px;
    /* text-shadow: 0 0 20px rgba(67, 233, 123, 0.8); */
}

.data-migration-highlight p {
    color: white;
    font-size: 1rem;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

@keyframes pulse-glow {}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-highlight {
    margin-top: 30px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border: 2px solid #43e97b;
    box-shadow: 0 5px 20px rgba(67, 233, 123, 0.2);
}

.hero-highlight p {
    margin: 0;
    color: #333;
    font-weight: 500;
    text-align: center;
    font-size: 1rem;
}

.hero-highlight strong {
    color: #43e97b;
    font-weight: 700;
}

.hero-industries {
    margin-top: 20px;
}

.hero-industries h3 {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 10px;
    text-align: center;
    font-weight: 500;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    /* justify-content: center; */
    margin-bottom: 8px;
}

.industry-tag {
    display: inline-block;
    padding: 4px 8px;
    background: #f8fafc;
    color: #667eea;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 400;
    transition: all 0.2s ease;
    cursor: pointer;
}

.industry-tag:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.industry-note {
    text-align: center;
    color: #888;
    font-size: 0.7rem;
    margin: 0;
    font-style: italic;
}

.hero-img,
.image-placeholder {
    background: linear-gradient(135deg, #e3e9f5 0%, #d1d9e6 100%);
    border-radius: 16px;
    padding: 60px 20px;
    text-align: center;
    color: #667eea;
    font-weight: 600;
    font-size: 1.2rem;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #c3cfe2;
}

/* 适用行业 */
.industries-section {
    padding: 60px 0;
    color: white;
}

.industries-section .section-header h2 {
    color: white;
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.industries-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.industry-category {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.industry-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.industry-category h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}

.industry-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.industry-category li {
    padding: 5px 0;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: 16px;
    font-size: 0.85rem;
    transition: color 0.3s ease;
    line-height: 1.4;
}

.industry-category li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #43e97b;
    font-weight: bold;
    font-size: 0.8rem;
}

.industry-category li:hover {
    color: white;
    padding-left: 20px;
}

.industries-footer {
    text-align: center;
    margin-top: 40px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.industries-footer p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.industries-footer strong {
    color: #43e97b;
}

.industries-footer .btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.industries-footer .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* 高亮动画 */
@keyframes highlight {
    0% {
        transform: scale(1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 50px rgba(67, 233, 123, 0.4);
        background: rgba(67, 233, 123, 0.2);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    }
}

/* 核心优势 */
.advantages-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    margin: 40px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.advantages-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.icon-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 功能特色 */
.features-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    margin: 40px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 15px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.section-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 25px;
}

.feature-icon .icon-placeholder {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.feature-icon-crm {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.feature-icon-schedule {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.feature-icon-finance {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.feature-icon-attendance {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.feature-icon-teacher {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.feature-icon-parent {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.feature-item ul {
    list-style: none;
}

.feature-item li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: 25px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.feature-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #43e97b;
    font-weight: bold;
}

/* 产品版本 */
.products-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    margin: 40px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.product-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.premium-version {
    border-color: #667eea;
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
}

.product-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #667eea;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.product-badge.recommended {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-card h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.product-price {
    text-align: center;
    margin-bottom: 30px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
}

.free-version .price {
    font-size: 2.2rem;
    color: #43e97b;
}

.period {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.free-version .period {
    color: #43e97b;
    font-weight: 500;
}

.product-features h4 {
    text-align: center;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.product-features ul {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.product-card .btn {
    width: 100%;
    text-align: center;
    font-size: 1.1rem;
    padding: 15px;
}

/* 功能对比表 */
.comparison-section {
    padding: 80px 0;
    background: #f8fafc;
}

.expand-trigger {
    border: none !important;
}

.expand-row {
    text-align: center;
    padding: 20px !important;
    background: #f8fafc !important;
    border: none !important;
}

.comparison-toggle-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    margin: 0 auto;
}

.comparison-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.comparison-toggle-btn.expanded .toggle-icon {
    transform: rotate(180deg);
}

.comparison-table {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    margin-top: 30px;
}

.expandable-content {
    transition: all 0.4s ease;
    overflow: hidden;
}

.expandable-content.collapsed {
    max-height: 0;
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
}

.expandable-content.collapsed tr {
    display: none;
}

.expandable-content.expanded {
    max-height: 2000px;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.expandable-content.expanded tr {
    display: table-row;
}

.table-wrapper {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.comparison-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table td:first-child {
    font-weight: 600;
    color: #333;
}

.comparison-table td:nth-child(2) {
    color: #666;
}

.comparison-table td:nth-child(3) {
    color: #667eea;
    font-weight: 500;
}

.comparison-table .category-header td {
    background: #f8fafc;
    font-weight: 600;
    color: #333;
    padding: 15px 20px;
    border-top: 2px solid #e0e0e0;
}

/* 客户案例 */
.testimonials-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 30px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    display: flex;
    gap: 20px;
}

.testimonial-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.testimonial-content p {
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.testimonial-info h4 {
    color: white;
    margin-bottom: 5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.testimonial-info span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 关于我们 */
.about-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 30px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.about-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 10px;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about-img {
    min-height: 300px;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 30px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 12px;
}

.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.free-notice {
    background: rgba(67, 233, 123, 0.1);
    border: 1px solid rgba(67, 233, 123, 0.3);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.free-notice h4 {
    color: #43e97b;
    font-size: 1.2rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.free-notice ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.free-notice li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.3);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    /* color: #333; */
}

.contact-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.contact-item h4 {
    color: #667eea;
    margin-bottom: 8px;
    font-size: 1rem;
    font-weight: 600;
}

.contact-item p {
    color: #555;
    font-size: 1rem;
    margin: 0;
    font-weight: 500;
}

.qr-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 20px;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    margin: 15px auto 0;
    border: 2px dashed rgba(102, 126, 234, 0.3);
    font-size: 14px;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    background: #34495e;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #667eea;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #bdc3c7;
}

.footer-bottom p {
    margin: 8px 0;
}

.icp-info {
    font-size: 0.9rem;
    margin-top: 10px;
}

.icp-info a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: #667eea;
}

/* 移动端导航菜单 */
.nav-menu.active {
    display: flex !important;
    position: fixed;
    top: 80px;
    left: 10px;
    right: 10px;
    width: auto;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.nav-menu.active li {
    margin: 10px 0;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 导航菜单项激活状态 */
.nav-menu a.active {
    color: #667eea;
    position: relative;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #667eea;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        top: 10px;
        left: 10px;
        right: 10px;
        border-radius: 15px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-section {
        margin-top: 100px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-items-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .comparison-toggle-btn {
        font-size: 0.9rem;
        padding: 10px 20px;
        width: 100%;
        justify-content: center;
    }

    .expand-row {
        padding: 15px !important;
    }

    .hero-industries {
        padding: 10px 12px;
        margin-top: 15px;
    }

    .data-migration-highlight {
        padding: 15px;
        margin: 20px 0;
    }

    .data-migration-highlight h3 {
        font-size: 1.1rem;
    }

    .data-migration-highlight p {
        font-size: 0.9rem;
    }

    .hero-industries h3 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .industry-tags {
        gap: 5px;
        margin-bottom: 6px;
    }

    .industry-tag {
        font-size: 0.7rem;
        padding: 3px 6px;
    }

    .industry-note {
        font-size: 0.65rem;
    }

    .about-stats {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-item {
        flex-direction: column;
        text-align: center;
    }

    .industries-section {
        padding: 40px 0;
    }

    .industries-section .section-header h2 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .industries-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 30px 0;
    }

    .industry-category {
        padding: 15px;
    }

    .industry-category h3 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }

    .industry-category li {
        padding: 4px 0;
        font-size: 0.8rem;
        padding-left: 14px;
    }

    .industries-footer {
        padding: 20px 15px;
        margin-top: 30px;
    }

    .industries-footer p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .header {
        top: 5px;
        left: 5px;
        right: 5px;
        border-radius: 12px;
    }

    .nav-menu.active {
        top: 70px;
        left: 5px;
        right: 5px;
        border-radius: 12px;
    }

    .container {
        padding: 0 15px;
    }

    .hero-section {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .product-card {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .free-notice {
        padding: 15px;
        margin-bottom: 20px;
    }

    .free-notice h4 {
        font-size: 1.1rem;
    }

    .free-notice li {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .contact-items-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-item {
        padding: 12px;
    }

    .qr-item {
        padding: 15px;
    }
}

/* 数据迁移服务专区 */
.migration-service {
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 30px 0;
}

.migration-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.migration-text h3 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.migration-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 25px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.migration-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 1.2rem;
}

.migration-action {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.migration-action h4 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-migration {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-migration:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

/* 迁移服务响应式设计 */
@media (max-width: 768px) {
    .migration-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .migration-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .migration-text h3 {
        font-size: 1.5rem;
    }

    .data-migration-highlight {
        padding: 25px;
    }

    .migration-service {
        padding: 40px 0;
        margin: 20px 0;
    }
}